FKIE_CVE-2018-20958

Vulnerability from fkie_nvd - Published: 2019-08-07 13:15 - Updated: 2026-06-17 01:53
Severity
6.5 (Medium) - CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Summary
The Bluetooth Low Energy (BLE) subsystem on Tapplock devices before 2018-06-12 relies on Key1 and SerialNo for unlock operations; however, these are derived from the MAC address, which is broadcasted by the device.
References
cve@mitre.orghttps://tapplock.com/notice/20180612/Vendor Advisory
cve@mitre.orghttps://www.pentestpartners.com/security-blog/totally-pwning-the-tapplock-smart-lock/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://tapplock.com/notice/20180612/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.pentestpartners.com/security-blog/totally-pwning-the-tapplock-smart-lock/Third Party Advisory
Impacted products
Vendor Product Version
tapplock tapplock_firmware *
tapplock tapplock -
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:tapplock:tapplock_firmware:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "280A852C-BFCE-4E0D-9845-58408F881698",
              "versionEndExcluding": "2018-06-12",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:tapplock:tapplock:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "CAF2E99A-E6B0-427B-AA6D-F80D99BF30EF",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Bluetooth Low Energy (BLE) subsystem on Tapplock devices before 2018-06-12 relies on Key1 and SerialNo for unlock operations; however, these are derived from the MAC address, which is broadcasted by the device."
    },
    {
      "lang": "es",
      "value": "El subsistema Bluetooth Low Energy (BLE) en dispositivos Tapplock antes del 12-06-2018 se basa en Key1 y SerialNo para las operaciones de desbloqueo; sin embargo, estos se derivan de la direcci\u00f3n MAC, que es difundida por el dispositivo."
    }
  ],
  "id": "CVE-2018-20958",
  "lastModified": "2026-06-17T01:53:49.440",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "LOW",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "ADJACENT_NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 3.3,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "vectorString": "AV:A/AC:L/Au:N/C:P/I:N/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 6.5,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "ADJACENT_NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.0"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2019-08-07T13:15:13.373",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://tapplock.com/notice/20180612/"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://www.pentestpartners.com/security-blog/totally-pwning-the-tapplock-smart-lock/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://tapplock.com/notice/20180612/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://www.pentestpartners.com/security-blog/totally-pwning-the-tapplock-smart-lock/"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-200"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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